Table 2 Proportion of positive test results across all parasites according to the South and West U.S. Census Bureau regions
Parasite | South | West | ||||
|---|---|---|---|---|---|---|
Coproantigen immunoassay (95% CI) | Centrifugation (95% CI) | Combineda (95% CI) | Coproantigen immunoassay (95% CI) | Centrifugation (95% CI) | Combineda (95% CI) | |
Giardia | 2.7% (2.6–2.7) | 8.8% (8.7–8.9) | 9.0% (8.8–9.1) | 5.6% (5.5–5.7) | 13.3% (13.2–13.5) | 13.5% (13.3–13.6) |
Hookworm | 3.6% (3.6–3.6) | 5.6% (5.5–5.6) | 6.4% (6.3–6.5) | 0.7% (0.6–0.7) | 1.0% (1.0–1.1) | 1.2% (1.2–1.3) |
Ascarid | 1.2% (1.2–1.3) | 1.4% (1.3–1.4) | 1.7% (1.7–1.7) | 1.8% (1.7–1.8) | 2.0% (2.0–2.1) | 2.3% (2.2–2.4) |
Emeria | 1.3% (1.3–1.3) | – | – | 1.0% (1.0–1.1) | – | – |
Cystoisospora | 1.0% (1.0–1.0) | – | – | 2.7% (2.6–2.8) | – | – |
Whipworm | 0.9% (0.9–1.0) | 1.0% (1.0–1.0) | 1.4% (1.3–1.4) | 0.3% (0.3–0.3) | 0.4% (0.4–0.4) | 0.5% (0.5–0.5) |
Tapeworm | 0.2% (0.2–0.2) | – | – | 0.3% (0.3–0.3) | – | – |